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MAX619ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX619ESA

Manufacturer: MAXIM, MAX

Regulated 5V Charge-Pump DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX619ESA MAXIM, MAX 23300 In Stock

Description and Introduction

Regulated 5V Charge-Pump DC-DC Converter The MAX619ESA is a precision, low-power, dual-output charge-pump DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Input Voltage Range:** 2.0V to 3.6V  
- **Output Voltages:** +5V and -5V (unregulated)  
- **Output Current:** Up to 50mA (total for both outputs)  
- **Switching Frequency:** 10kHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Low Supply Current:** 80µA (typical)  
- **Efficiency:** Up to 99% (typical)  

### **Descriptions:**  
The MAX619ESA is a charge-pump voltage doubler and inverter that generates regulated ±5V outputs from a single 2.0V to 3.6V input. It does not require inductors, making it suitable for space-constrained applications. The device operates with minimal external components (only four capacitors) and is designed for low-power, portable electronics.  

### **Features:**  
- **No Inductors Required** – Uses only capacitors for voltage conversion.  
- **Low Power Consumption** – Typically draws 80µA supply current.  
- **Dual Outputs** – Provides both +5V and -5V from a single input.  
- **Small Footprint** – 8-pin SOIC package saves board space.  
- **Wide Input Voltage Range** – Operates from 2.0V to 3.6V.  
- **High Efficiency** – Up to 99% conversion efficiency.  
- **Low Noise** – Charge-pump architecture minimizes switching noise.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Regulated 5V Charge-Pump DC-DC Converter

Alternative Part Number

  • REF02CSZ --: Precision 5V voltage reference in SOIC-8, functionally equivalent to the MAX619ESA with similar accuracy and temperature drift.
  • ADR02ARZ --: Low-noise 5V voltage reference in SOIC-8, drop-in compatible in most circuits and offers excellent long-term stability.
  • LM4040AIM3-5.0 --: 5V shunt voltage reference with tight initial accuracy; usable as an alternative where a series reference is not strictly required, though circuit topology may need adjustment.
  • REF02CSA+ --: Industry-standard 5V precision voltage reference in SO-8, functionally equivalent to the MAX619 and widely available as a drop-in replacement.

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